Methods for a Multi-Service Mobile Platform for Well Servicing

Abstract

A multi-service mobile platform is enabled for various different types of well servicing, including jointed pipe service, coiled tubing service, snubbing service, and wireline service. The multi-service mobile platform may be installed using loads to deliver modular components and assemblies, such as on a truck bed for example. The multi-service mobile platform is mobile and may be positioned in an installed and configured state from one wellhead to another wellhead. The multi-service mobile platform includes integrated hydraulic and electrical power sources and integrated lines for the power sources.

What is claimed is: 
     
         1 . A method of installing a multi-service mobile platform for well servicing, the method comprising:
 installing, at a first location, a base platform structure having a top box and a bottom box, the base platform structure including four main lift cylinders that enable the top box to be lowered over the bottom box such that the top box and the bottom box mate together;   installing a first hydraulic pressure unit in proximity to the first location to provide hydraulic pressure to at least one of the main lift cylinders to enable the main lift cylinders to raise and lower the top box with respect to the bottom box, wherein the top box and the bottom box each comprise respective first portions and second portions, each of the first portion and the second portion including two of the main lift cylinders, the first portion corresponding to an operator's side and the second portion corresponding to an off operator's side of the multi-service mobile platform;   delivering at least one work floor section to the first location and installing the work floor section on the top box; and   delivering to the first location in any sequential order of loads:
 a first load comprising a first auxiliary platform for coupling to the rear work floor section, the first portion, and the second portion of the top box, including installing the first auxiliary platform, wherein the first auxiliary platform includes a backup hydraulic pressure unit, a draw works, and an electrical power unit to power the multi-service mobile platform; 
 a second load comprising a blowout-preventer (BOP) platform, including installing the BOP platform to a bottom edge at the first portion and the second portion of the top box; 
 a third load comprising a panorama cabin and a second hydraulic pressure unit that couples to the first portion of the top box, including installing the panorama cabin, wherein the panorama cabin includes front windows, top windows, and end windows that provide a working view of the work floor and a derrick installed on the work floor; 
 a fourth load comprising a second auxiliary platform for coupling to the second portion of the top box, including installing the second auxiliary platform; and 
 a fifth load comprising the derrick, further comprising hoisting the derrick onto the work floor, wherein the derrick includes a rotary drive, an auto torque wrench for pipe, and a crane arm, and wherein the derrick is aligned with the wellhead when installed on the work floor. 
   
     
     
         2 . The method of  claim 1 , further comprising:
 connecting the second hydraulic pressure unit to the main lift cylinders in place of the first hydraulic pressure unit to enable the main lift cylinders to raise and lower the top box with respect to the bottom box using the second hydraulic pressure unit.   
     
     
         3 . The method of  claim 1 , wherein hoisting the derrick onto the work floor further comprises:
 hoisting the derrick onto the work floor using the draw works.   
     
     
         4 . The method of  claim 1 , further comprising:
 delivering, in any sequential order with respect to other loads, a sixth load to the first location, wherein the sixth load comprises a snubbing unit.   
     
     
         5 . The method of  claim 4 , further comprising:
 lifting the snubbing unit onto the second auxiliary platform.   
     
     
         6 . The method of  claim 1 , further comprising:
 delivering, in any sequential order with respect to other loads, a seventh load to the first location, wherein the seventh load comprises at least one pipe stand rack, including installing the at least one pipe stand rack at a front portion of the multi-service mobile platform.   
     
     
         7 . The method of  claim 6 , further comprising:
 delivering, in any sequential order with respect to other loads, an eighth load to the first location, wherein the eighth load comprises a pipe handler, including installing the pipe handler adjacent to the at least one pipe stand rack; and   delivering, in any sequential order with respect to other loads, a ninth load to the first location, wherein the ninth load comprises a pipe bin, including placing the pipe bin and the pipe handler adjacent to each other.   
     
     
         8 . The method of  claim 7 , further comprising:
 delivering, in any sequential order with respect to other loads, a tenth load to the first location, wherein the tenth load comprises a coiled tubing injector.   
     
     
         9 . The method of  claim 8 , further comprising:
 lifting the coiled tubing injector onto the second auxiliary platform.   
     
     
         10 . The method of  claim 1 , further comprising:
 delivering, in any sequential order with respect to other loads, an eleventh load to the first location, wherein the eleventh load comprises a wireline unit, including lifting the wireline unit onto the top box.   
     
     
         11 . The method of  claim 1 , further comprising:
 lifting, using the crane arm, the snubbing unit over to the wellhead from the second auxiliary platform.   
     
     
         12 . The method of  claim 11 , wherein the snubbing unit is placed on a trolley running on rails on the work floor at the second auxiliary platform, and further comprising:
 prior to lifting the snubbing unit from the second auxiliary platform, positioning the snubbing unit in proximity to the wellhead using the trolley.   
     
     
         13 . The method of  claim 9 , further comprising:
 moving the pipe handler away from the multi-service mobile platform, wherein the pipe handler remains in a working position; and   delivering, in any sequential order with respect to other loads, a twelfth load to the first location, wherein the twelfth load comprises a coiled tubing handler including a reel of coiled tubing enabled to feed the coiled tubing injector, and further comprising installing the coiled tubing handler adjacent to the pipe handler.   
     
     
         14 . The method of  claim 1 , further comprising:
 pinning the top box to a raised height with respect to the bottom box.   
     
     
         15 . The method of  claim 1 , wherein installing the BOP platform to a bottom edge at the first portion and the second portion of the top box further comprises:
 using the main lift cylinders to position the top box to unload the BOP platform and fix the BOP platform to a bottom edge at the first portion and the second portion of the top box including sliding the BOP platform in place into the multi-service mobile platform.   
     
     
         16 . The method of  claim 1 , wherein installing, at the first location, the base platform structure further comprises:
 positioning the bottom box on at least one supplemental box to elevate the multi-service mobile platform by a height of the supplemental box.   
     
     
         17 . The method of  claim 1 , wherein at least one load is delivered on a truck bed, and wherein the main lift cylinders are used to raise the top box to a height corresponding to the truckled. 
     
     
         18 . The method of  claim 1 , further comprising:
 lifting, using the crane arm, the coiled tubing injector over to the wellhead from the second auxiliary platform.   
     
     
         19 . The method of  claim 18 , wherein the coiled tubing injector is placed on a trolley running on rails on the work floor at the second auxiliary platform, and further comprising:
 prior to lifting the coiled tubing injector from the second auxiliary platform, positioning the coiled tubing injector in proximity to the wellhead using the trolley.   
     
     
         20 . A method of transferring a multi-service mobile platform for well servicing between wells, the method comprising:
 installing a multi-service mobile platform at a first wellhead, the multi-service mobile platform comprising:
 a base platform structure having a lower level and an upper level and four main lift cylinders for raising and lowering the upper level with respect to the lower level; 
 a derrick including a rotary drive installed at a work floor supported by the upper level; 
 a draw works; 
 a blow-out preventer (BOP) enabled for coupling to the first wellhead; 
 an electrical power unit; 
 a hydraulic power unit including a plurality of hydraulic lines; 
 a pipe stand rack; 
 a coiled tubing injector; 
 a pumping manifold; and 
   wherein the installing further comprises:
 pinning the upper level with respect to the lower level; 
 lowering an outrigger to the ground to stabilize the multi-service mobile platform; and 
 connecting the first wellhead in fluid communication with BOP and the pumping manifold; 
   responsive to a decision to move the multi-service mobile platform from the first wellhead to a second wellhead in vicinity of the first wellhead, preparing the multi-service mobile platform for walking, further comprising:
 lifting up the outrigger off the ground; 
 disconnecting the first wellhead from fluid communication with the pumping manifold; 
 closing a master valve for the first wellhead; 
 disconnecting the BOP and the pumping manifold from fluid communication with the first wellhead and rest the BOP on a BOP platform at the lower level; and 
   walking the multi-service mobile platform to the second wellhead using the main lift cylinders with the upper level pinned to the lower level, including controlling actuation of base plates and sliding plates respectively attached to each of the main lift cylinders.   
     
     
         21 . The method of  claim 20 , wherein the multi-service mobile platform further comprises:
 a snubbing unit; and   a wireline unit.   
     
     
         22 . The method of  claim 20 , further comprising:
 controlling actuation of the base plates and the sliding plates to align the multi-service mobile platform with the second wellhead;   when the multi-service mobile platform is aligned with the second wellhead, connecting the second wellhead in fluid communication with BOP and the pumping manifold;   lowering the outrigger to the ground to stabilize the multi-service mobile platform; and   powering on the electrical power unit and the hydraulic power unit to place the multi-service mobile platform in an operational state.   
     
     
         23 . The method of  claim 20 , wherein the hydraulic power unit and the plurality of hydraulic lines remain connected during the walking. 
     
     
         24 . The method of  claim 20 , wherein the coiled tubing injector remains connected to a coiled tubing reel via coiled tubing during the walking, wherein the coiled tubing reel is enabled to move independently on the ground with respect to the multi-service mobile platform. 
     
     
         25 . The method of  claim 20 , further comprising:
 moving a pipe handler along with the multi-service mobile platform, wherein the pipe handler is enabled to move independently on the ground with respect to the multi-service mobile platform.   
     
     
         26 . A method of operating a multi-service mobile platform for well servicing, the method comprising:
 installing a multi-service mobile platform at a first wellhead, the multi-service mobile platform comprising:
 a base platform structure having a lower level and an upper level and four main lift cylinders for raising and lowering the upper level with respect to the lower level; 
 a derrick including a rotary drive installed at a work floor supported by the upper level; 
 a draw works; 
 a blow-out preventer (BOP) enabled for coupling to the first wellhead; 
 an electrical power unit; 
 a hydraulic power unit including a plurality of hydraulic lines; 
 a pipe stand rack; 
 a coiled tubing injector; 
 a snubbing unit; 
 a pumping manifold; and 
 a wireline unit, 
   running jointed pipe into the wellhead using the derrick and the draw works; and   after running jointed pipe is completed, running coiled tubing into the wellhead using the coiled tubing injector and a coiled tubing reel located adjacent to the multi-service mobile platform.   
     
     
         27 . The method of  claim 26 , further comprising:
 before the running jointed pipe is completed, using the snubbing unit for running thej ointed pipe into the wellhead.   
     
     
         28 . The method of  claim 26 , further comprising:
 after the running coiled tubing is completed, loading the pipe stand rack with pipe using a pipe handler located adjacent to the multi-service mobile platform; and   re-running jointed pipe into the wellhead using the derrick and the draw works.   
     
     
         29 . The method of  claim 28 , further comprising:
 prior to the running jointed pipe or subsequent to the re-running jointed pipe, running wireline using the wireline unit into the wellhead.   
     
     
         30 . The method of  claim 26 , further comprising:
 after the running coiled tubing is completed, running wireline using the wireline unit into the wellhead.   
     
     
         31 . The method of  claim 26 , further comprising:
 omitting the running jointed pipe.   
     
     
         32 . The method of  claim 31 , further comprising
 prior to the running coiled tubing or subsequent to the running coiled tubing, running wireline using the wireline unit into the wellhead.